sys/opencrypto/deflate.h

   1 /*      $FreeBSD: src/sys/opencrypto/deflate.h,v 1.1.2.1 2002/11/21 23:34:23 sam Exp $  */
   2 /*      $DragonFly: src/sys/opencrypto/deflate.h,v 1.2 2003/06/17 04:28:54 dillon Exp $ */
   3 /* $OpenBSD: deflate.h,v 1.3 2002/03/14 01:26:51 millert Exp $ */
   4
   5 /*
   6  * Copyright (c) 2001 Jean-Jacques Bernard-Gundol (jj@wabbitt.org)
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *   notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *   notice, this list of conditions and the following disclaimer in the
  16  *   documentation and/or other materials provided with the distribution.
  17  * 3. The name of the author may not be used to endorse or promote products
  18  *   derived from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Definition for the wrapper around the deflate compression
  34  * algorithm used in /sys/crypto
  35  */
  36
  37 #ifndef _CRYPTO_DEFLATE_H_
  38 #define _CRYPTO_DEFLATE_H_
  39
  40 #include <net/zlib.h>
  41
  42 #define Z_METHOD        8
  43 #define Z_MEMLEVEL      8
  44 #define MINCOMP         2       /* won't be used, but must be defined */
  45 #define ZBUF            10
  46
  47 u_int32_t deflate_global(u_int8_t *, u_int32_t, int, u_int8_t **);
  48 void *z_alloc(void *, u_int, u_int);
  49 void z_free(void *, void *);
  50
  51 struct deflate_buf {
  52         u_int8_t *out;
  53         u_int32_t size;
  54         int flag;
  55 };
  56
  57 #endif /* _CRYPTO_DEFLATE_H_ */